Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCkCIM6kEvW0H+DXA94fvNJPAtnJwqetZnyxR2/ULyqwDy0Mhw4QlG+sN7c… (844 chars)"
  }
}